Security readout for executives and security teams
Plain-English summary
CVE-2020-25490 affects Sqreen PHP agent daemon versions before 1.16.0. The daemon did not cryptographically verify rules, which could let a remote attacker inject rules that run inside the agent’s virtual machine. Public severity, CVSS, and exploitation evidence are not provided in the bundle.
Executive priority
Treat this as a targeted inventory and upgrade item. It may enable attacker-controlled logic inside a security agent, but public sources here do not prove active exploitation or quantify severity.
Technical view
The issue is missing cryptographic signature verification for rule content in the Sqreen PHP agent daemon before 1.16.0. The stated impact is easier remote rule injection with execution inside the virtual machine. Available sources do not define prerequisites, reachable attack surface, or exact trust-boundary assumptions.
Likely exposure
Exposure is limited to environments running the Sqreen PHP agent daemon before 1.16.0. The bundle does not identify affected CPEs, deployment patterns, or whether default configurations are exposed.
Exploitation context
The source bundle does not cite active exploitation, and KEV status is false. It states remote attackers could inject executable rules more easily, but does not provide exploit maturity, prerequisites, or observed attacks.
Researcher notes
Key gaps are attack prerequisites, rule delivery path, authentication context, and whether remote exposure requires specific deployment choices. Do not assume broader Sqreen products are affected beyond the PHP agent daemon versions described.
Mitigation direction
- Inventory systems running the Sqreen PHP agent daemon.
- Upgrade Sqreen PHP agent daemon to 1.16.0 or later where applicable.
- Review the vendor disclosure for configuration-specific remediation guidance.
- Restrict unnecessary network access to agent management paths.
- Monitor for unexpected rule changes or agent behavior.
Validation and detection
- Confirm installed Sqreen PHP agent daemon versions across PHP workloads.
- Flag any daemon version earlier than 1.16.0.
- Review agent logs for unusual rule updates or execution events.
- Verify remediation against the vendor disclosure and CVE record.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-25490 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.